Texture components and magnetic properties of laser powder bed fusion fabricated near grain-oriented and near non-oriented silicon steel

Silicon steel is a widely used soft magnetic material that requires different texture components for applications, typically classified as grain-oriented or non-oriented. However, the methods of fabricating such types silicon via laser-powder bed fusion (LPBF) have not been fully investigated. In this study, near and non-oriented Fe-3.5 wt.%Si fabricated using LPBF by controlling processing parameters. Different textures are investigated electron backscatter diffraction (EBSD), morphology molten pool characterized optical microscopy (OM) scanning (SEM). Magnetic properties measured with alternating current (AC) method. The results show reducing both linear energy density (LED) laser power leads to change in side from large, flat, well-overlapped small, protuberant, less-overlapped, resulting an extremely strong θ-fiber random distribution grain orientations, respectively. Additionally, speed causes top teardrop elliptical shape at trailing edge, shift angle between 〈0 0 1〉 grains direction 45° 30°. Samples fewer defects (i.e., larger size pores) area fraction 1〉//H exhibit higher permeability, although superiority so significant due residual stress high dislocation as-built samples. This study provides insight into relationship parameters, evolution, LPBFed steel.